(The other five trigonometric functions are sine, cosine, tangent, secant, and cotangent. cosecant, one of the six trigonometric functions, which, in a right triangle ABC, for an angle A, is csc A = length of hypotenuse/ length of side opposite angle A. where sinx=0 So: 1/ (sin (4x+pi) will be. Identity: color (red)bb (cscx=1/sinx) Vertical asymptotes occur where 1/sinx is undefined. This is where all vertical asymptotes occur: This is confirmed by the graph of csc(4x + π) Answer link. It is also called as the square of cot function identity.4x +π = 2π ⇒ x = π 4. The square of cot function equals to the subtraction of one from the square of co-secant function is called the cot squared formula. Type =CSC(, select the cell containing the angle and complete the formula with ).Formula. Follow these steps to calculate the cosecant of an angle: Select the cell where you want to display the result. Syntax: CSC(angle), where the angle input is the angle in radians. The CSC function in Excel computes the cosecant value of a given angle. Then the tangent identity just follow from those two and the quotient identity for tangent.8. Now substitute 2φ = θ into those last two equations and solve for sin θ/2 and cos θ/2. Csc formula The easiest way is to see that cos 2φ = cos²φ - sin²φ = 2 cos²φ - 1 or 1 - 2sin²φ by the cosine double angle formula and the Pythagorean identity.
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